256GB Memory Card Class10 512GB High Speed Class 10 Uhs-I Micro TF SD Card for Smartphone

Name: 256GB Memory Card Class10 512GB High Speed Class 10 Uhs-I Micro TF SD Card for Smartphone
Brand: Shenzhen Xingshidi Technology Co., Ltd.
SKU: 935587745

Guangdong, ChinaShenzhen Xingshidi Technology Co., Ltd.

US$99.00

10-99 Pieces

US$77.00

100-999 Pieces

US$11.90

1,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Capacity

256GB

Type

TF Card

Model NO.

4GB

Memory Card Application

Cell Phone

Interface

ExpressCard Slot

Card Slots

Single

Installation

External

Speed Grade

Class 10

Transport Package

Poly Bag, PP Box, Paper Box, Blister, Tin Box

Specification

ROHS. CE. FCC

Trademark

OEM, ODM

Origin

China

HS Code

8471709000

Production Capacity

50, 000PCS/Month

Key features

100% Real Capacity: Guaranteed authentic capacity with 100% QC testing passed before shipping.

5-Year Warranty: Comprehensive 5-year warranty coverage for all mechanical defects.

High Speed Class 10: UHS-I interface ensuring fast data transfer for smartphones and devices.

Fast Production: Quick turnaround within 1-3 days for orders up to 20,000 pieces.

Free Replacement: Round trip delivery cost covered for non-artificial faulty replacements.

Company profile

Fast Delivery

Shenzhen Xingshidi Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedExport Year: 1 Month CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤6.28h CertifiedTerms of Payment: LC, T/T, PayPal, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryShenzhen Topfine Technology Co., Limited is a China-based limited company described across the records as both a trading company and manufacturer/factory, supplying flash drives and related storage products. It reports broad customization and ODM capabilities, new products within the past year, extensive export coverage, and an off-peak lead time within 15 working days. However, the available quality and service-control evidence is weak: no written corrective-action or complaint-handling procedures are reported, quality assurance and traceability statuses are unknown, and quality-control test equipment is recorded as zero. A TUV Rheinland audit record is present, but its evaluation result is recorded as 0 and the report validity ended in 2025. Financial information is represented only by years, without substantive financial performance evidence. No customer cases or named-brand OEM references are provided.

Supplier typeThe supplier is identified as Shenzhen Topfine Technology Co., Limited, a China-based limited company. Its records classify it as both a trading company and manufacturer/factory, while its stated business scope includes electronic products, computer peripherals, U disks, and import/export activities; another record lists medical-device-related licensed projects, creating some scope inconsistency.

After-Sales capabilityThe supplier reports no written procedures or records for corrective and preventive actions or effective customer-complaint handling. This is explicit evidence of a documented service-process deficiency.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, indicating some product-development capability. It also reports no available SDK, but the absence of an SDK is not by itself evidence that its general innovation capability fails the field.

Production capacityThe supplier is described as a manufacturer/factory and reports production of storage-related products including HDDs, SSDs, micro SD cards, USB flash drives, and memory cards, with stated output of 5,000,000 pieces. However, its quality-control test-equipment quantity is recorded as zero, while quality assurance and traceability statuses are unknown, weakening confidence in production-control maturity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also states that it provides ODM services. These records directly support broad customization capability.

Product Q&A

Q:What is the warranty period for this memory card?

We provide a 5-year warranty for each piece. For non-artificial faults, we cover the round-trip delivery cost for replacement.

Q:What are the payment terms?

We accept Bank T/T, Western Union, PayPal, LC, Money Gram, and Alipay.

Q:How long is the lead time for production?

Production volume within 2000pcs takes 1-2 days, 2000-8000pcs takes 2-3 days, and 8000-20,000pcs takes 2-3 days. For larger orders, please contact us.

Q:What is the MOQ for samples?

We provide free proofing for samples.

Q:What shipping methods are available?

We offer delivery via DHL, Fedex, UPS, TNT, Air Freight, and Cargo to your China agent or directly.